package java_1_26.string;

public class SystemUtil {
    public static boolean isAdmin(String userId){
        return userId.toLowerCase()=="admin";
    }
    public static void main(String[] args){
        System.out.println(isAdmin("Admin"));
    }
//public static void main(String[] args) {
//    String s1="abc"+"def";//1
//    String s2=new String(s1);//2
//    if(s1.equals(s2))//3
//        System.out.println(".equals succeeded");//4
//    if(s1==s2)//5
//        System.out.println("==succeeded");//6
//}
}
